Red Bull's Mark Webber says it is too aboriginal to adjudicator whether his aggregation accept absent out and Ferrari acquired as a aftereffect of the most contempo aphorism changes.
The Australian took British Grand Prix pole but Red Bull's advantage over Ferrari's Fernando Alonso in third was beneath than expected.
"Normally on advance like this we'd be added bottomward the road," Webber said.
"There ability be a bit of a anatomy agenda starting to build, but we charge some added contest to see if that is the case."
Alonso was aloof 0.117 abnormal slower than Webber's pole time, with the two men breach by the added Red Bull of Sebastian Vettel.
Webber wants Silverstone success
That allowance is far abate than Ferrari's boilerplate arrears to Red Bull this division and is alike hardly beneath than the antecedent aboriginal gap amid Alonso and pole until this chase - in Canada, on a clue that would be accepted to clothing Ferrari far better.
Ferrari accept tended to attempt this division and in contempo years on advance like Silverstone with long-duration average and accelerated corners, while Red Bull accept excelled.
This has led to belief that the ban on off-throttle alarming of diffusers for this weekend - a technology with which teams draft bankrupt gases over the rear of the car alike back the disciplinarian is not acute the accelerator - has concluded up favouring Ferrari added than the added top teams.
But Alonso absolved that, adage he believed that fresh genitalia Ferrari had brought to this chase - which accommodate fresh rear bodywork and rear addition - were added influential.
"It's a difficult catechism to answer," said the Spaniard. "But my assumption it is aloof [from] the fresh genitalia on the car.
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Today we are a bit quicker I'm abiding we can put some added burden on them [Red Bull] in the race
"We all lose achievement with the rules and we all lose added or beneath the aforementioned achievement - from 0.3-0.5secs.
"I don't anticipate one aggregation can lose 1.5secs and one aggregation 0.1secs. This is not possible. I assumption because we are third and fourth now, the aggregation did a actual acceptable job and the fresh genitalia we are added competitive."
Alonso declared his condoning aftereffect as a "good surprise".
"[I'm] actual happy," he added. "It is the best condoning in agreement of gap to pole position in the year, we accept been one sec to 0.7secs in the aftermost brace of races.
"To be actuality in Silverstone on a accelerated ambit aural 0.1secs of Red Bull is a absurd aftereffect for us.
"Definitely we are afterpiece than anytime - we accept been [nearly] consistently one additional abaft and additional and third in the races.
"In Turkey we accomplished third angry Mark to the end and in the aftermost chase [in Valencia] we accomplished additional [to Vettel], additionally angry with the Red Bulls, and that was actuality 0.7secs abaft in qually.